Lady is also the courtesy title for the daughters of the higher-ranking nobles duke,
For a female member of the Grand Ducal Family, be it Her Royal Highness the Grand Duchess, the Crown Princess or one of the Princesses, the title is 'Madame' or 'Your Royal Highness'.
If the Duke is not the son of a monarch, his daughter will be Lady given name. She will be a Princess if her father is the son of a monarch. As I understand it, the daughter of a Duke may be a Princess, only IF the Duke in question is a Prince in the direct line of Succession.
Kniaz in English is usually translated as Prince, so the title of the children of a Grand Duke or Duchess is usually Prince or Princess.
By tradition, only those born into the royal family can use “prince” or “princess” before their name and, other than the Prince of Wales—presumably to show his primacy—they are officially known by other titles: Prince William was also known as the Duke of Cambridge, for example.
If the daughter of a duke marries a peer, she takes his title. If she marries the eldest son of a peer, she takes his title, but in the case of the heir of an earl or lesser peer, she may choose to keep her own title until her husband inherits.
After the duke's son died, the patent for the dukedom was amended by parliament to allow his daughters and their sons to inherit the dukedom successively.
In modern Britain, an earl is a member of the peerage, ranking below a marquess and above a viscount. A feminine form of earl never developed; instead, countess is used.
In the context of royalty, the word duke most commonly refers to the sovereign ruler of a small state in Continental Europe called a duchy. In the British monarchy, duke is the highest hereditary title outside of prince, princess, king, or queen. The female equivalent of duke is duchess.
A duke's eldest son and heir is often a marquess, though he can also be an earl, viscount, or baron. The title given to the heir is a lesser title of the peer, usually the next highest peerage he holds.
A Duke is the highest grade of the peerage. Wives of Dukes are styled Duchesses.
Duke is the highest of the five ranks of the peerage, standing above the ranks of marquess, earl, viscount and baron.
Kate is technically a princess of the United Kingdom, but “princess” is her occupation, not her title. Her titles under the Queen's rule were, however… The Duchess of Cambridge: A hereditary title bestowed by Queen Elizabeth II on Kate when she married Prince William.
These nobles were given titles such as Baron, Earl, and Duke, which were passed down through the male line of the family. Barons were the lowest rank of nobility and were granted small parcels of land. Earls were the next highest rank and were responsible for larger territories.
After the royal titles of king, queen, prince, and princess come the five noble ranks: duke and duchess (the members of nobility that rank right below the monarch), marquess and marchioness, earl and countess, viscount and viscountess, and baron and baroness.
viscount, feminine viscountess, a European title of nobility, ranking immediately below a count, or earl. It is one of the five ranks of British nobility and peerage, which, in descending order, are duke, marquess, earl, viscount, and baron.
To inherit a dukedom, you would need: To be a direct male descendant of a previous holder of the title. For all those with a greater claim to the title (if any) to have already died.
Following his abdication in 1936 the former King Edward VIII was given the title Duke of Windsor. There are also non-royal dukes in the United Kingdom.
Duchess: Is the female equivalent to a Duke. It can be used by an unmarried woman in her own right, or by the wife of a man with the title "Duke".
The title of Duke of Cambridge, first created in 1660, superseded an earlier title of Earl of Cambridge. The title became extinct several times before being revived in 2011, when Queen Elizabeth II bestowed it on her grandson Prince William on 29 April 2011 upon his marriage to Catherine Middleton.
The highest grade is duke/duchess, followed by marquess/marchioness, earl/countess, viscount/viscountess and baron/baroness. Dukes and duchesses are addressed with their actual title, but all other ranks of the peerage have the appellation Lord or Lady. Non hereditary life peers are also addressed as Lord or Lady.
The term 'duke' derives from the Latin word 'dux', which means military commander. In Europe, smaller nation-states could be ruled by a grand duke or archduke, and in some cases would outrank a prince.
This means that neither Camilla nor Kate will ever be known as Queen, only as Queen Consort. When William becomes king, that will be the title that awaits her.